Thanks guys for all replies
I did it the time consuming and time consuming way of using my USB stick and doing it in parts.
Took an hour!!
Originally Posted by Matt D
While the PS3 can see your computer (when sharing media files via UPnP e.g. with Windows Media Player 11), your computer cannot see your PS3's files over the network.
Have you checked to see how much stuff you have in total?
How do you see how much space you have left on the PS3?